Advanced coatings and coating lining systems are being increasingly used by industry to protect process equipment in challenging chemical environments. This includes not only severe corrosive liquors encountered in many Chemical Process Industry streams, but also the high purity process liquors and rinse systems of the pharmaceutical and microelectronics industries. This paper will discuss the design options for optimizing the performance of fluoropolymer-based coating systems for industry-specific applications such as these. Design factors discussed will include surface pre-treatment options, chemical and mechanical bonding systems, field-proven and advanced polymer barrier coatings, homogenous and graded polymer barrier stacks, and imbedded permeation barriers. The processing techniques for applying engineered coatings will be discussed since processing also plays an important role in the design options available to individual coating applicators and ultimate performance of the coating system applied. Several case studies will be presented and discussed.

Subject
Thermoplastic coatings, Primers, Barriers, Coating application, Coatings, Materials, Substrates, Dispersion, Powder coatings, Equipment, Barrier coatings, Coating systems, Resins
Keywords:
coatings, engineered coatings, functional coatings, linings, fluoropolymers, corrosion resistance, high purity
© 1997 Association for Materials Protection and Performance (AMPP). All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means (electronic, mechanical, photocopying, recording, or otherwise) without the prior written permission of AMPP. Positions and opinions advanced in this work are those of the author(s) and not necessarily those of AMPP. Responsibility for the content of the work lies solely with the author(s).
1997
Association for Materials Protection and Performance (AMPP)
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